EBK ELECTRICAL WIRING RESIDENTIAL
19th Edition
ISBN: 9781337516549
Author: Simmons
Publisher: CENGAGE LEARNING - CONSIGNMENT
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Question
Chapter 21.1, Problem 2R
a.
To determine
Mention the name of the branch circuit that is connected to the food waste disposer.
b.
To determine
Mention the size of the wire used to connect the food waste disposer.
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7.A. Ferrous metal raceways or enclosures are made with _______ content.A. steel or brassB. aluminum or ironC. brass or aluminumD. iron or steel7.B. The size of a grounding electrode conductor for a service or separately derived system is generally basedon the size of the largestA. ungrounded supply conductor.B. equipment grounding conductor.C. grounded electrode.D. bonding jumper.7.C. Which of the following statements about bonding is true?A. The joint or termination must offer opposition in the circuit for effective electrical connections.B. Effective bonding keeps impedance high if a fault should occur.C. The entire electrical safety circuit is only as good as its strongest bonded link.D. Bonding connections must endure high levels of fault current until overcurrent protective devices can operate.
A device used in kitchen serving hotels dining rooms club houses and restaurants is__________.
a.) Grease basin b.) Yard basin c.) Garage basin d.) Oil catch basin
QUESTION 9
When a ground wire is connected to an interior gas piping system and the underground portion of the gas pipe into the building is plastic, which of the following is (or are) true?
a
A.This would be approved by code as the gas pipe is only being bonded to the electrical system.
b
B.This installation would be approved by code, as the gas pipe is not a grounding electrode.
c
C.Both A and B
d
D.Neither A nor B
Chapter 21 Solutions
EBK ELECTRICAL WIRING RESIDENTIAL
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- Which of the following statements about equipment grounding conductors (EGCs) is true?A. The National Electrical Code permits the EGC to also perform as a grounding electrode conductor.B. More than one EGC must be used if multiple circuits are installed in a single raceway, cable, or cable tray.C. No current should be present in the EGC during normal operation.D. EGCs are required to be decreased in size to address voltage drop.arrow_forward___________ is an Area on a device characteristic where the ratio between applied voltage and resulting current is constant.arrow_forwardAnswer the following: A) Type of clipper circuit per level of clipping. 1. ___________ 2. ___________ 3. ___________ B) Type of clipper circuit per non-linear devices used. 1. ___________ 2. ___________ C) Other term for clipper circuit. 1. ___________ 2. ___________ 3. ___________arrow_forward
- 6. Ferrous metal raceways or enclosures are made with _______ content.A. brass or aluminumB. steel or brassC. aluminum or ironD. iron or steelarrow_forwardA means shall be provided in each metal box over 100 cubic inches for the connection of an equipment grounding conductor. The means shall be permitted to be ______. a tapped hole the cover screw III. a screw used to mount the box (a.) I only (c.) I & II only (b.) II only (d.) I, II or IIIarrow_forward1.1 PV modules can be wired together in an array using ______ connections to increase voltage. a. Terminating b. Series c. Parallel d. AC 1.2 A PV module, also called a solar panel, is comprised of individual photovoltaic _______ wired and mounted together as an integrated unit. a. Capsules b. Compartments c. Chips d. Cells 1.3 A __________ system uses a storage system that stores the generated electricity so it can provide during times when the system’s panels are not receiving solar energy. a. Direct coupled b. Self regulating c. Charge controlled d. Indirectly connected 1. 4 __________ energy may have the potential to supply all of the world's energy needs, but at this time, it provides a very small percentage. a. Coal b. Natural Gas c. Diesel d. Solararrow_forward
- a.2. Which of the following statements about grounding electrode conductors is true?A. They restrict the ground connection.B. They eliminate potential differences between conductive objects and the Earth electrode.C. They facilitate operation of overcurrent protective devices.D. They perform bonding between the Earth and grounded conductors.a.3. Main bonding jumpers are required to be made of _______ or other corrosion-resistant material.A. brassB. aluminumC. copperD. copper-clad aluminumarrow_forwardGrounding Lighting Fixtures. There are specific requirements for grounding lighting fixtures. How must they be grounded and with what size conductors? Be sure and cite the code in your answers.arrow_forward6.a. A run of conduit that will carry several conductors is installed inside a wall. The wall is later finished sothat the run of conduit is no longer visible. This is an example of a(n)A. load.B. device.C. NEC violation.D. concealed raceway.6.b. Since the voltages across each branch circuit in a residence are the same, these circuits areA. connected in series.B. connected in parallel.C. controlled circuit configurations.D. complex circuit configurations.arrow_forward
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